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underdrive pullys (Worth the money??)

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Old 08-30-2007, 01:00 PM
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Default underdrive pullys (Worth the money??)

Asp Pulley set listed at $250....

Has anyone taken there truck to the track after just the install to see what improvements it brought??.... I dont want to spend $250 unless i get a .10 tenth taken off my time... I dont want to feel like
Old 08-30-2007, 02:22 PM
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save that for your last bolt on

Put your money towards some long tubes
Old 08-30-2007, 02:25 PM
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Originally Posted by Tootall
save that for your last bolt on

Put your money towards some long tubes

Already got those with a offroad Y-pipe.... just havent installed them on yet
Old 08-30-2007, 02:47 PM
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So i can either get a Ported Throttle Body or underdrive pulleys....
Old 08-30-2007, 02:56 PM
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www.Texas-speed.com will have pulleys

You're not going to notice much or hardly any gains from the ported TB, Get rid of the hand held tuner, and get a live street tune, or a mail order.

Do you have efans?
Old 08-30-2007, 03:59 PM
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no i dont have E-fans i've been talking to my brother about getting a stock OEM one from a newer Silverado he just hasnt gotten back with me yet on the price he can get it for at the dealership...

I might end up going with the Dual electric fans that Flex-a-lite sells
Old 08-30-2007, 04:14 PM
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efans are an easy 12-15 hp. They're way better than any pulley setup. Use the search up top. It's one of those, everyone does it mods.
Old 08-30-2007, 04:48 PM
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i'd say do the oem e-fans not the flex-a-lites. there controlers suck from what i've seen. and its nice to have your stock ecu run everything. get the 05 e-fan harness also.
Old 08-30-2007, 05:58 PM
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https://www.performancetrucks.net/fo...hlight=boltons
you seen this?


get a real tune next, then get the efans ( 05 oems preferably). and then the pulleys and ported tb.

then its time for some serious mods
Old 08-30-2007, 06:00 PM
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Howdy there neighbor, nice to see someone from the metroplex... I say efans, controled by the PCM....


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